Package com.facebook.presto.block.uncompressed

Examples of com.facebook.presto.block.uncompressed.UncompressedBlock

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            partialAggregation.addInput(createGroupByIdBlock(0, page.getPositionCount()), page);
        }

        BlockBuilder partialOut = new BlockBuilder(partialAggregation.getIntermediateTupleInfo());
        partialAggregation.evaluateIntermediate(0, partialOut);
        UncompressedBlock partialBlock = partialOut.build();

        GroupedAccumulator finalAggregation = function.createGroupedIntermediateAggregation(confidence);
        // Add an empty block to test the handling of empty intermediates
        GroupedAccumulator emptyAggregation = function.createGroupedAggregation(Optional.<Integer>absent(), Optional.<Integer>absent(), confidence, args);
        BlockBuilder emptyOut = new BlockBuilder(emptyAggregation.getIntermediateTupleInfo());
        emptyAggregation.evaluateIntermediate(0, emptyOut);
        UncompressedBlock emptyBlock = emptyOut.build();
        finalAggregation.addIntermediate(createGroupByIdBlock(0, emptyBlock.getPositionCount()), emptyBlock);

        finalAggregation.addIntermediate(createGroupByIdBlock(0, partialBlock.getPositionCount()), partialBlock);

        return getGroupValue(finalAggregation, 0);
    }
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    }

    public static GroupByIdBlock createGroupByIdBlock(int groupId, int positions)
    {
        if (positions == 0) {
            return new GroupByIdBlock(groupId, new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE));
        }

        BlockBuilder blockBuilder = new BlockBuilder(TupleInfo.SINGLE_LONG);
        for (int i = 0; i < positions; i++) {
            blockBuilder.append(groupId);
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        testPartialWithMultiplePositions(alternatingNullsBlock, getExpectedValue(0, 10));
    }

    protected void testPartialWithMultiplePositions(Block block, Object expectedValue)
    {
        UncompressedBlock partialsBlock = performPartialAggregation(block);
        Aggregator function = createAggregator(aggregation(getFunction(), new Input(0, 0)), Step.FINAL);
        BlockCursor partialsCursor = partialsBlock.cursor();
        while (partialsCursor.advanceNextPosition()) {
            function.addValue(partialsCursor);
        }

        assertEquals(getActualValue(function), expectedValue);
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        return blockBuilder.build();
    }

    protected void testVectorPartialWithMultiplePositions(Block block, Object expectedValue)
    {
        UncompressedBlock partialsBlock = performPartialAggregation(block);
        Aggregator function = createAggregator(aggregation(getFunction(), new Input(0, 0)), Step.FINAL);

        BlockCursor blockCursor = partialsBlock.cursor();
        while (blockCursor.advanceNextPosition()) {
            function.addValue(blockCursor);
        }
        assertEquals(getActualValue(function), expectedValue);
    }
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    {
        Block valuesBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
        }
        else {
            valuesBlock = createDoublesBlock(values);
            percentilesBlock = new RunLengthEncodedBlock(createTuple(percentile), values.length);
        }
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    {
        Block valuesBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
        }
        else {
            valuesBlock = createLongsBlock(values);
            percentilesBlock = new RunLengthEncodedBlock(createTuple(percentile), values.length);
        }
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        Block valuesBlock;
        Block weightsBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            weightsBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
        }
        else {
            valuesBlock = createLongsBlock(values);
            weightsBlock = createLongsBlock(weights);
            percentilesBlock = new RunLengthEncodedBlock(createTuple(percentile), values.length);
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        Block valuesBlock;
        Block weightsBlock;
        Block percentilesBlock;

        if (values.length == 0) {
            valuesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            weightsBlock = new UncompressedBlock(0, TupleInfo.SINGLE_LONG, Slices.EMPTY_SLICE);
            percentilesBlock = new UncompressedBlock(0, TupleInfo.SINGLE_DOUBLE, Slices.EMPTY_SLICE);
        }
        else {
            valuesBlock = createDoublesBlock(values);
            weightsBlock = createLongsBlock(weights);
            percentilesBlock = new RunLengthEncodedBlock(createTuple(percentile), values.length);
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    public UncompressedBlock build()
    {
        checkState(!tupleBuilder.isPartial(), "Tuple is not complete");
        checkState(!isEmpty(), "Cannot build an empty block");

        return new UncompressedBlock(count, tupleInfo, sliceOutput.slice());
    }
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            partialAggregation.addInput(createGroupByIdBlock(0, page.getPositionCount()), page);
        }

        BlockBuilder partialOut = new BlockBuilder(partialAggregation.getIntermediateTupleInfo());
        partialAggregation.evaluateIntermediate(0, partialOut);
        UncompressedBlock partialBlock = partialOut.build();

        GroupedAccumulator finalAggregation = function.createGroupedIntermediateAggregation();
        finalAggregation.addIntermediate(createGroupByIdBlock(0, partialBlock.getPositionCount()), partialBlock);

        return getGroupValue(finalAggregation, 0);
    }
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